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Fix wrong allocation size for chunk column stats data #9969

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Merged
akuzm merged 1 commit into from
Jun 8, 2026
Merged

Fix wrong allocation size for chunk column stats data #9969

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2 changes: 1 addition & 1 deletion src/ts_catalog/chunk_column_stats.h
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ typedef struct ChunkRangeSpace
} ChunkRangeSpace;

#define CHUNKRANGESPACE_SIZE(num_columns) \
(sizeof(ChunkRangeSpace) + (sizeof(NameData) * (num_columns)))
(sizeof(ChunkRangeSpace) + (sizeof(FormData_chunk_column_stats) * (num_columns)))

extern ChunkRangeSpace *ts_chunk_column_stats_range_space_scan(int32 hypertable_id, Oid ht_reloid,
MemoryContext mctx);
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14 changes: 14 additions & 0 deletions tsl/test/expected/chunk_column_stats.out
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Expand Up @@ -775,3 +775,17 @@ SELECT * FROM attno WHERE id = 1 AND start > '2025-02-02T11:53:28Z'::date ORDER
1 | Thu Jan 01 00:01:00 2026 PST
1 | Thu Jan 01 00:06:00 2026 PST

-- Test for wrong allocation size of chunk stats storage
CREATE TABLE sensor_readings(measured_at timestamptz NOT NULL, temperature int, humidity int);
SELECT create_hypertable('sensor_readings', 'measured_at');
create_hypertable
-------------------------------
(10,public,sensor_readings,t)

SELECT enable_chunk_skipping('sensor_readings', 'temperature');
enable_chunk_skipping
-----------------------
(17,t)

RESET timescaledb.enable_chunk_skipping;
RESET timescaledb.enable_chunk_skipping;
9 changes: 9 additions & 0 deletions tsl/test/sql/chunk_column_stats.sql
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Expand Up @@ -351,3 +351,12 @@ SELECT count(compress_chunk(ch)) FROM show_chunks('attno') ch;

SELECT * FROM attno WHERE id = 1 AND start > '2025-02-02T11:53:28Z'::date ORDER BY start;


-- Test for wrong allocation size of chunk stats storage
CREATE TABLE sensor_readings(measured_at timestamptz NOT NULL, temperature int, humidity int);
SELECT create_hypertable('sensor_readings', 'measured_at');
SELECT enable_chunk_skipping('sensor_readings', 'temperature');
RESET timescaledb.enable_chunk_skipping;


RESET timescaledb.enable_chunk_skipping;
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